Home / 42,975.79-64,437.18-14,889.31

Finding the Fourth Proportional to 42,975.79, 64,437.18 and 14,889.31

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Solution

The fourth proportional to 42,975.79, 64,437.18 and 14,889.31 is: 22,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,975.79 : 64,437.18 = 14,889.31 : x
  2. Step 2: Convert to fraction form
    42,975.79/64,437.18 = 14,889.31/x
  3. Step 3: Cross multiply
    42,975.79x = 64,437.18 × 14,889.31
  4. Step 4: Simplify right side
    42,975.79x = 959,425,148.55
  5. Step 5: Solve for x
    x = 959,425,148.55/42,975.79
  6. Step 6: Final answer
    x = 22,324.78

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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.