Home / 42,291.21-63,442.29-14,199.20

Finding the Fourth Proportional to 42,291.21, 63,442.29 and 14,199.20

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Solution

The fourth proportional to 42,291.21, 63,442.29 and 14,199.20 is: 21,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,291.21 : 63,442.29 = 14,199.20 : x
  2. Step 2: Convert to fraction form
    42,291.21/63,442.29 = 14,199.20/x
  3. Step 3: Cross multiply
    42,291.21x = 63,442.29 × 14,199.20
  4. Step 4: Simplify right side
    42,291.21x = 900,829,658.24
  5. Step 5: Solve for x
    x = 900,829,658.24/42,291.21
  6. Step 6: Final answer
    x = 21,300.63

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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.