Home / 40,762.12-61,148.88-38,521.12

Finding the Fourth Proportional to 40,762.12, 61,148.88 and 38,521.12

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Solution

The fourth proportional to 40,762.12, 61,148.88 and 38,521.12 is: 57,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762.12 : 61,148.88 = 38,521.12 : x
  2. Step 2: Convert to fraction form
    40,762.12/61,148.88 = 38,521.12/x
  3. Step 3: Cross multiply
    40,762.12x = 61,148.88 × 38,521.12
  4. Step 4: Simplify right side
    40,762.12x = 2,355,523,344.35
  5. Step 5: Solve for x
    x = 2,355,523,344.35/40,762.12
  6. Step 6: Final answer
    x = 57,787.07

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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.