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Finding the Fourth Proportional to 61,963.68, 85,510.08 and 35,111.16

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Solution

The fourth proportional to 61,963.68, 85,510.08 and 35,111.16 is: 48,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.68 : 85,510.08 = 35,111.16 : x
  2. Step 2: Convert to fraction form
    61,963.68/85,510.08 = 35,111.16/x
  3. Step 3: Cross multiply
    61,963.68x = 85,510.08 × 35,111.16
  4. Step 4: Simplify right side
    61,963.68x = 3,002,358,100.49
  5. Step 5: Solve for x
    x = 3,002,358,100.49/61,963.68
  6. Step 6: Final answer
    x = 48,453.52

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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.