Home / 54,890.28-75,752.45-31,019.17

Finding the Fourth Proportional to 54,890.28, 75,752.45 and 31,019.17

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Solution

The fourth proportional to 54,890.28, 75,752.45 and 31,019.17 is: 42,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.28 : 75,752.45 = 31,019.17 : x
  2. Step 2: Convert to fraction form
    54,890.28/75,752.45 = 31,019.17/x
  3. Step 3: Cross multiply
    54,890.28x = 75,752.45 × 31,019.17
  4. Step 4: Simplify right side
    54,890.28x = 2,349,778,124.47
  5. Step 5: Solve for x
    x = 2,349,778,124.47/54,890.28
  6. Step 6: Final answer
    x = 42,808.64

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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.