Home / 38,434.80-57,547.98-19,927.92

Finding the Fourth Proportional to 38,434.80, 57,547.98 and 19,927.92

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Solution

The fourth proportional to 38,434.80, 57,547.98 and 19,927.92 is: 29,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434.80 : 57,547.98 = 19,927.92 : x
  2. Step 2: Convert to fraction form
    38,434.80/57,547.98 = 19,927.92/x
  3. Step 3: Cross multiply
    38,434.80x = 57,547.98 × 19,927.92
  4. Step 4: Simplify right side
    38,434.80x = 1,146,811,541.60
  5. Step 5: Solve for x
    x = 1,146,811,541.60/38,434.80
  6. Step 6: Final answer
    x = 29,837.84

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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.