Home / 39,925.35-59,888.03-18,858.47

Finding the Fourth Proportional to 39,925.35, 59,888.03 and 18,858.47

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Solution

The fourth proportional to 39,925.35, 59,888.03 and 18,858.47 is: 28,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,925.35 : 59,888.03 = 18,858.47 : x
  2. Step 2: Convert to fraction form
    39,925.35/59,888.03 = 18,858.47/x
  3. Step 3: Cross multiply
    39,925.35x = 59,888.03 × 18,858.47
  4. Step 4: Simplify right side
    39,925.35x = 1,129,396,223.38
  5. Step 5: Solve for x
    x = 1,129,396,223.38/39,925.35
  6. Step 6: Final answer
    x = 28,287.70

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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.