Home / 61,915.12-85,444.56-36,423.28

Finding the Fourth Proportional to 61,915.12, 85,444.56 and 36,423.28

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Solution

The fourth proportional to 61,915.12, 85,444.56 and 36,423.28 is: 50,265.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,915.12 : 85,444.56 = 36,423.28 : x
  2. Step 2: Convert to fraction form
    61,915.12/85,444.56 = 36,423.28/x
  3. Step 3: Cross multiply
    61,915.12x = 85,444.56 × 36,423.28
  4. Step 4: Simplify right side
    61,915.12x = 3,112,171,133.36
  5. Step 5: Solve for x
    x = 3,112,171,133.36/61,915.12
  6. Step 6: Final answer
    x = 50,265.12

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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.