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Finding the Fourth Proportional to 53,213.96, 79,851.93 and 29,541.31

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Solution

The fourth proportional to 53,213.96, 79,851.93 and 29,541.31 is: 44,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.96 : 79,851.93 = 29,541.31 : x
  2. Step 2: Convert to fraction form
    53,213.96/79,851.93 = 29,541.31/x
  3. Step 3: Cross multiply
    53,213.96x = 79,851.93 × 29,541.31
  4. Step 4: Simplify right side
    53,213.96x = 2,358,930,307.82
  5. Step 5: Solve for x
    x = 2,358,930,307.82/53,213.96
  6. Step 6: Final answer
    x = 44,329.16

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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.