Home / 39,397.23-54,368.13-21,492.21

Finding the Fourth Proportional to 39,397.23, 54,368.13 and 21,492.21

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Solution

The fourth proportional to 39,397.23, 54,368.13 and 21,492.21 is: 29,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.23 : 54,368.13 = 21,492.21 : x
  2. Step 2: Convert to fraction form
    39,397.23/54,368.13 = 21,492.21/x
  3. Step 3: Cross multiply
    39,397.23x = 54,368.13 × 21,492.21
  4. Step 4: Simplify right side
    39,397.23x = 1,168,491,267.27
  5. Step 5: Solve for x
    x = 1,168,491,267.27/39,397.23
  6. Step 6: Final answer
    x = 29,659.22

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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.