Home / 40,916.16-61,294.08-21,207.72

Finding the Fourth Proportional to 40,916.16, 61,294.08 and 21,207.72

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Solution

The fourth proportional to 40,916.16, 61,294.08 and 21,207.72 is: 31,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916.16 : 61,294.08 = 21,207.72 : x
  2. Step 2: Convert to fraction form
    40,916.16/61,294.08 = 21,207.72/x
  3. Step 3: Cross multiply
    40,916.16x = 61,294.08 × 21,207.72
  4. Step 4: Simplify right side
    40,916.16x = 1,299,907,686.30
  5. Step 5: Solve for x
    x = 1,299,907,686.30/40,916.16
  6. Step 6: Final answer
    x = 31,770.03

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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.