Home / 87,925.40-131,888.08-21,365.07

Finding the Fourth Proportional to 87,925.40, 131,888.08 and 21,365.07

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Solution

The fourth proportional to 87,925.40, 131,888.08 and 21,365.07 is: 32,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,925.40 : 131,888.08 = 21,365.07 : x
  2. Step 2: Convert to fraction form
    87,925.40/131,888.08 = 21,365.07/x
  3. Step 3: Cross multiply
    87,925.40x = 131,888.08 × 21,365.07
  4. Step 4: Simplify right side
    87,925.40x = 2,817,798,061.37
  5. Step 5: Solve for x
    x = 2,817,798,061.37/87,925.40
  6. Step 6: Final answer
    x = 32,047.60

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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.