Home / 42,762.90-64,144.39-11,598.15

Finding the Fourth Proportional to 42,762.90, 64,144.39 and 11,598.15

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Solution

The fourth proportional to 42,762.90, 64,144.39 and 11,598.15 is: 17,397.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,762.90 : 64,144.39 = 11,598.15 : x
  2. Step 2: Convert to fraction form
    42,762.90/64,144.39 = 11,598.15/x
  3. Step 3: Cross multiply
    42,762.90x = 64,144.39 × 11,598.15
  4. Step 4: Simplify right side
    42,762.90x = 743,956,256.88
  5. Step 5: Solve for x
    x = 743,956,256.88/42,762.90
  6. Step 6: Final answer
    x = 17,397.24

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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.