Home / 31,053,425.88-42,853,903.08-18,008,429.88

Finding the Fourth Proportional to 31,053,425.88, 42,853,903.08 and 18,008,429.88

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Solution

The fourth proportional to 31,053,425.88, 42,853,903.08 and 18,008,429.88 is: 24,851,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,425.88 : 42,853,903.08 = 18,008,429.88 : x
  2. Step 2: Convert to fraction form
    31,053,425.88/42,853,903.08 = 18,008,429.88/x
  3. Step 3: Cross multiply
    31,053,425.88x = 42,853,903.08 × 18,008,429.88
  4. Step 4: Simplify right side
    31,053,425.88x = 771,731,508,700,496
  5. Step 5: Solve for x
    x = 771,731,508,700,496/31,053,425.88
  6. Step 6: Final answer
    x = 24,851,734.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.