Home / 40,158.90-60,238.98-15,210.63

Finding the Fourth Proportional to 40,158.90, 60,238.98 and 15,210.63

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Solution

The fourth proportional to 40,158.90, 60,238.98 and 15,210.63 is: 22,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.90 : 60,238.98 = 15,210.63 : x
  2. Step 2: Convert to fraction form
    40,158.90/60,238.98 = 15,210.63/x
  3. Step 3: Cross multiply
    40,158.90x = 60,238.98 × 15,210.63
  4. Step 4: Simplify right side
    40,158.90x = 916,272,836.36
  5. Step 5: Solve for x
    x = 916,272,836.36/40,158.90
  6. Step 6: Final answer
    x = 22,816.18

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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.