Home / 38,888.49-58,332.91-13,587.90

Finding the Fourth Proportional to 38,888.49, 58,332.91 and 13,587.90

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Solution

The fourth proportional to 38,888.49, 58,332.91 and 13,587.90 is: 20,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.49 : 58,332.91 = 13,587.90 : x
  2. Step 2: Convert to fraction form
    38,888.49/58,332.91 = 13,587.90/x
  3. Step 3: Cross multiply
    38,888.49x = 58,332.91 × 13,587.90
  4. Step 4: Simplify right side
    38,888.49x = 792,621,490.09
  5. Step 5: Solve for x
    x = 792,621,490.09/38,888.49
  6. Step 6: Final answer
    x = 20,381.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.