Home / 42,396.40-63,594.60-14,697.20

Finding the Fourth Proportional to 42,396.40, 63,594.60 and 14,697.20

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Solution

The fourth proportional to 42,396.40, 63,594.60 and 14,697.20 is: 22,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,396.40 : 63,594.60 = 14,697.20 : x
  2. Step 2: Convert to fraction form
    42,396.40/63,594.60 = 14,697.20/x
  3. Step 3: Cross multiply
    42,396.40x = 63,594.60 × 14,697.20
  4. Step 4: Simplify right side
    42,396.40x = 934,662,555.12
  5. Step 5: Solve for x
    x = 934,662,555.12/42,396.40
  6. Step 6: Final answer
    x = 22,045.80

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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.