Home / 42,201.60-63,302.40-26,455.20

Finding the Fourth Proportional to 42,201.60, 63,302.40 and 26,455.20

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Solution

The fourth proportional to 42,201.60, 63,302.40 and 26,455.20 is: 39,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,201.60 : 63,302.40 = 26,455.20 : x
  2. Step 2: Convert to fraction form
    42,201.60/63,302.40 = 26,455.20/x
  3. Step 3: Cross multiply
    42,201.60x = 63,302.40 × 26,455.20
  4. Step 4: Simplify right side
    42,201.60x = 1,674,677,652.48
  5. Step 5: Solve for x
    x = 1,674,677,652.48/42,201.60
  6. Step 6: Final answer
    x = 39,682.80

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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.