Home / 31,643.04-47,461.50-12,924.75

Finding the Fourth Proportional to 31,643.04, 47,461.50 and 12,924.75

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Solution

The fourth proportional to 31,643.04, 47,461.50 and 12,924.75 is: 19,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,643.04 : 47,461.50 = 12,924.75 : x
  2. Step 2: Convert to fraction form
    31,643.04/47,461.50 = 12,924.75/x
  3. Step 3: Cross multiply
    31,643.04x = 47,461.50 × 12,924.75
  4. Step 4: Simplify right side
    31,643.04x = 613,428,022.13
  5. Step 5: Solve for x
    x = 613,428,022.13/31,643.04
  6. Step 6: Final answer
    x = 19,385.88

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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.