Home / 58,666.28-80,959.30-31,808.70

Finding the Fourth Proportional to 58,666.28, 80,959.30 and 31,808.70

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Solution

The fourth proportional to 58,666.28, 80,959.30 and 31,808.70 is: 43,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,666.28 : 80,959.30 = 31,808.70 : x
  2. Step 2: Convert to fraction form
    58,666.28/80,959.30 = 31,808.70/x
  3. Step 3: Cross multiply
    58,666.28x = 80,959.30 × 31,808.70
  4. Step 4: Simplify right side
    58,666.28x = 2,575,210,006.39
  5. Step 5: Solve for x
    x = 2,575,210,006.39/58,666.28
  6. Step 6: Final answer
    x = 43,895.92

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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.