Home / 42,423.40-63,635.10-32,612.20

Finding the Fourth Proportional to 42,423.40, 63,635.10 and 32,612.20

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Solution

The fourth proportional to 42,423.40, 63,635.10 and 32,612.20 is: 48,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,423.40 : 63,635.10 = 32,612.20 : x
  2. Step 2: Convert to fraction form
    42,423.40/63,635.10 = 32,612.20/x
  3. Step 3: Cross multiply
    42,423.40x = 63,635.10 × 32,612.20
  4. Step 4: Simplify right side
    42,423.40x = 2,075,280,608.22
  5. Step 5: Solve for x
    x = 2,075,280,608.22/42,423.40
  6. Step 6: Final answer
    x = 48,918.30

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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.