Home / 39,402.64-54,368.20-23,488.57

Finding the Fourth Proportional to 39,402.64, 54,368.20 and 23,488.57

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Solution

The fourth proportional to 39,402.64, 54,368.20 and 23,488.57 is: 32,409.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402.64 : 54,368.20 = 23,488.57 : x
  2. Step 2: Convert to fraction form
    39,402.64/54,368.20 = 23,488.57/x
  3. Step 3: Cross multiply
    39,402.64x = 54,368.20 × 23,488.57
  4. Step 4: Simplify right side
    39,402.64x = 1,277,031,271.47
  5. Step 5: Solve for x
    x = 1,277,031,271.47/39,402.64
  6. Step 6: Final answer
    x = 32,409.79

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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.