Home / 42,731,203.81-58,947,560.90-28,044,831.77

Finding the Fourth Proportional to 42,731,203.81, 58,947,560.90 and 28,044,831.77

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Solution

The fourth proportional to 42,731,203.81, 58,947,560.90 and 28,044,831.77 is: 38,687,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,731,203.81 : 58,947,560.90 = 28,044,831.77 : x
  2. Step 2: Convert to fraction form
    42,731,203.81/58,947,560.90 = 28,044,831.77/x
  3. Step 3: Cross multiply
    42,731,203.81x = 58,947,560.90 × 28,044,831.77
  4. Step 4: Simplify right side
    42,731,203.81x = 1,653,174,428,762,442
  5. Step 5: Solve for x
    x = 1,653,174,428,762,442/42,731,203.81
  6. Step 6: Final answer
    x = 38,687,756.99

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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.