Home / 59,713.60-89,570.40-20,315.20

Finding the Fourth Proportional to 59,713.60, 89,570.40 and 20,315.20

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Solution

The fourth proportional to 59,713.60, 89,570.40 and 20,315.20 is: 30,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,713.60 : 89,570.40 = 20,315.20 : x
  2. Step 2: Convert to fraction form
    59,713.60/89,570.40 = 20,315.20/x
  3. Step 3: Cross multiply
    59,713.60x = 89,570.40 × 20,315.20
  4. Step 4: Simplify right side
    59,713.60x = 1,819,640,590.08
  5. Step 5: Solve for x
    x = 1,819,640,590.08/59,713.60
  6. Step 6: Final answer
    x = 30,472.80

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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.