Home / 42,767.63-64,135.48-14,679.71

Finding the Fourth Proportional to 42,767.63, 64,135.48 and 14,679.71

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Solution

The fourth proportional to 42,767.63, 64,135.48 and 14,679.71 is: 22,014.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.63 : 64,135.48 = 14,679.71 : x
  2. Step 2: Convert to fraction form
    42,767.63/64,135.48 = 14,679.71/x
  3. Step 3: Cross multiply
    42,767.63x = 64,135.48 × 14,679.71
  4. Step 4: Simplify right side
    42,767.63x = 941,490,247.11
  5. Step 5: Solve for x
    x = 941,490,247.11/42,767.63
  6. Step 6: Final answer
    x = 22,014.09

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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.