Home / 42,679.23-64,018.85-14,599.55

Finding the Fourth Proportional to 42,679.23, 64,018.85 and 14,599.55

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Solution

The fourth proportional to 42,679.23, 64,018.85 and 14,599.55 is: 21,899.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679.23 : 64,018.85 = 14,599.55 : x
  2. Step 2: Convert to fraction form
    42,679.23/64,018.85 = 14,599.55/x
  3. Step 3: Cross multiply
    42,679.23x = 64,018.85 × 14,599.55
  4. Step 4: Simplify right side
    42,679.23x = 934,646,008.43
  5. Step 5: Solve for x
    x = 934,646,008.43/42,679.23
  6. Step 6: Final answer
    x = 21,899.32

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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.