Home / 40,686.76-60,946.98-30,168.64

Finding the Fourth Proportional to 40,686.76, 60,946.98 and 30,168.64

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Solution

The fourth proportional to 40,686.76, 60,946.98 and 30,168.64 is: 45,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.76 : 60,946.98 = 30,168.64 : x
  2. Step 2: Convert to fraction form
    40,686.76/60,946.98 = 30,168.64/x
  3. Step 3: Cross multiply
    40,686.76x = 60,946.98 × 30,168.64
  4. Step 4: Simplify right side
    40,686.76x = 1,838,687,498.71
  5. Step 5: Solve for x
    x = 1,838,687,498.71/40,686.76
  6. Step 6: Final answer
    x = 45,191.30

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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.