Home / 60,021.20-90,031.80-59,632.40

Finding the Fourth Proportional to 60,021.20, 90,031.80 and 59,632.40

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Solution

The fourth proportional to 60,021.20, 90,031.80 and 59,632.40 is: 89,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,021.20 : 90,031.80 = 59,632.40 : x
  2. Step 2: Convert to fraction form
    60,021.20/90,031.80 = 59,632.40/x
  3. Step 3: Cross multiply
    60,021.20x = 90,031.80 × 59,632.40
  4. Step 4: Simplify right side
    60,021.20x = 5,368,812,310.32
  5. Step 5: Solve for x
    x = 5,368,812,310.32/60,021.20
  6. Step 6: Final answer
    x = 89,448.60

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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.