Home / 38,574.24-53,233.12-21,807.20

Finding the Fourth Proportional to 38,574.24, 53,233.12 and 21,807.20

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Solution

The fourth proportional to 38,574.24, 53,233.12 and 21,807.20 is: 30,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.24 : 53,233.12 = 21,807.20 : x
  2. Step 2: Convert to fraction form
    38,574.24/53,233.12 = 21,807.20/x
  3. Step 3: Cross multiply
    38,574.24x = 53,233.12 × 21,807.20
  4. Step 4: Simplify right side
    38,574.24x = 1,160,865,294.46
  5. Step 5: Solve for x
    x = 1,160,865,294.46/38,574.24
  6. Step 6: Final answer
    x = 30,094.31

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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.