Home / 56,053.40-84,061.76-18,603.39

Finding the Fourth Proportional to 56,053.40, 84,061.76 and 18,603.39

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Solution

The fourth proportional to 56,053.40, 84,061.76 and 18,603.39 is: 27,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053.40 : 84,061.76 = 18,603.39 : x
  2. Step 2: Convert to fraction form
    56,053.40/84,061.76 = 18,603.39/x
  3. Step 3: Cross multiply
    56,053.40x = 84,061.76 × 18,603.39
  4. Step 4: Simplify right side
    56,053.40x = 1,563,833,612.35
  5. Step 5: Solve for x
    x = 1,563,833,612.35/56,053.40
  6. Step 6: Final answer
    x = 27,899.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.