Home / 39,370.50-59,073.15-20,646.06

Finding the Fourth Proportional to 39,370.50, 59,073.15 and 20,646.06

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Solution

The fourth proportional to 39,370.50, 59,073.15 and 20,646.06 is: 30,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,370.50 : 59,073.15 = 20,646.06 : x
  2. Step 2: Convert to fraction form
    39,370.50/59,073.15 = 20,646.06/x
  3. Step 3: Cross multiply
    39,370.50x = 59,073.15 × 20,646.06
  4. Step 4: Simplify right side
    39,370.50x = 1,219,627,799.29
  5. Step 5: Solve for x
    x = 1,219,627,799.29/39,370.50
  6. Step 6: Final answer
    x = 30,978.21

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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.