Home / 42,153.65-58,104.47-28,537.40

Finding the Fourth Proportional to 42,153.65, 58,104.47 and 28,537.40

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Solution

The fourth proportional to 42,153.65, 58,104.47 and 28,537.40 is: 39,335.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.65 : 58,104.47 = 28,537.40 : x
  2. Step 2: Convert to fraction form
    42,153.65/58,104.47 = 28,537.40/x
  3. Step 3: Cross multiply
    42,153.65x = 58,104.47 × 28,537.40
  4. Step 4: Simplify right side
    42,153.65x = 1,658,150,068.97
  5. Step 5: Solve for x
    x = 1,658,150,068.97/42,153.65
  6. Step 6: Final answer
    x = 39,335.86

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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.