Home / 42,411,444.69-58,530,299.45-31,938,984.60

Finding the Fourth Proportional to 42,411,444.69, 58,530,299.45 and 31,938,984.60

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Solution

The fourth proportional to 42,411,444.69, 58,530,299.45 and 31,938,984.60 is: 44,077,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,411,444.69 : 58,530,299.45 = 31,938,984.60 : x
  2. Step 2: Convert to fraction form
    42,411,444.69/58,530,299.45 = 31,938,984.60/x
  3. Step 3: Cross multiply
    42,411,444.69x = 58,530,299.45 × 31,938,984.60
  4. Step 4: Simplify right side
    42,411,444.69x = 1,869,398,332,314,592
  5. Step 5: Solve for x
    x = 1,869,398,332,314,592/42,411,444.69
  6. Step 6: Final answer
    x = 44,077,685.78

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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.