Home / 42,228.40-58,274.28-23,108.10

Finding the Fourth Proportional to 42,228.40, 58,274.28 and 23,108.10

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Solution

The fourth proportional to 42,228.40, 58,274.28 and 23,108.10 is: 31,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,228.40 : 58,274.28 = 23,108.10 : x
  2. Step 2: Convert to fraction form
    42,228.40/58,274.28 = 23,108.10/x
  3. Step 3: Cross multiply
    42,228.40x = 58,274.28 × 23,108.10
  4. Step 4: Simplify right side
    42,228.40x = 1,346,607,889.67
  5. Step 5: Solve for x
    x = 1,346,607,889.67/42,228.40
  6. Step 6: Final answer
    x = 31,888.68

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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.