Home / 42,858,018.70-59,144,545.08-25,220,820.51

Finding the Fourth Proportional to 42,858,018.70, 59,144,545.08 and 25,220,820.51

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Solution

The fourth proportional to 42,858,018.70, 59,144,545.08 and 25,220,820.51 is: 34,805,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,858,018.70 : 59,144,545.08 = 25,220,820.51 : x
  2. Step 2: Convert to fraction form
    42,858,018.70/59,144,545.08 = 25,220,820.51/x
  3. Step 3: Cross multiply
    42,858,018.70x = 59,144,545.08 × 25,220,820.51
  4. Step 4: Simplify right side
    42,858,018.70x = 1,491,673,955,608,283.75
  5. Step 5: Solve for x
    x = 1,491,673,955,608,283.75/42,858,018.70
  6. Step 6: Final answer
    x = 34,805,014.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.