Home / 52,923.20-79,384.80-17,854.40

Finding the Fourth Proportional to 52,923.20, 79,384.80 and 17,854.40

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Solution

The fourth proportional to 52,923.20, 79,384.80 and 17,854.40 is: 26,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,923.20 : 79,384.80 = 17,854.40 : x
  2. Step 2: Convert to fraction form
    52,923.20/79,384.80 = 17,854.40/x
  3. Step 3: Cross multiply
    52,923.20x = 79,384.80 × 17,854.40
  4. Step 4: Simplify right side
    52,923.20x = 1,417,367,973.12
  5. Step 5: Solve for x
    x = 1,417,367,973.12/52,923.20
  6. Step 6: Final answer
    x = 26,781.60

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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.