Home / 42,415.10-63,622.65-36,510.20

Finding the Fourth Proportional to 42,415.10, 63,622.65 and 36,510.20

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Solution

The fourth proportional to 42,415.10, 63,622.65 and 36,510.20 is: 54,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,415.10 : 63,622.65 = 36,510.20 : x
  2. Step 2: Convert to fraction form
    42,415.10/63,622.65 = 36,510.20/x
  3. Step 3: Cross multiply
    42,415.10x = 63,622.65 × 36,510.20
  4. Step 4: Simplify right side
    42,415.10x = 2,322,875,676.03
  5. Step 5: Solve for x
    x = 2,322,875,676.03/42,415.10
  6. Step 6: Final answer
    x = 54,765.30

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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.