Home / 39,713.40-59,618.70-39,421.80

Finding the Fourth Proportional to 39,713.40, 59,618.70 and 39,421.80

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Solution

The fourth proportional to 39,713.40, 59,618.70 and 39,421.80 is: 59,180.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,713.40 : 59,618.70 = 39,421.80 : x
  2. Step 2: Convert to fraction form
    39,713.40/59,618.70 = 39,421.80/x
  3. Step 3: Cross multiply
    39,713.40x = 59,618.70 × 39,421.80
  4. Step 4: Simplify right side
    39,713.40x = 2,350,276,467.66
  5. Step 5: Solve for x
    x = 2,350,276,467.66/39,713.40
  6. Step 6: Final answer
    x = 59,180.94

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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.