Home / 40,342.51-60,384.36-21,575.62

Finding the Fourth Proportional to 40,342.51, 60,384.36 and 21,575.62

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Solution

The fourth proportional to 40,342.51, 60,384.36 and 21,575.62 is: 32,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.51 : 60,384.36 = 21,575.62 : x
  2. Step 2: Convert to fraction form
    40,342.51/60,384.36 = 21,575.62/x
  3. Step 3: Cross multiply
    40,342.51x = 60,384.36 × 21,575.62
  4. Step 4: Simplify right side
    40,342.51x = 1,302,829,703.38
  5. Step 5: Solve for x
    x = 1,302,829,703.38/40,342.51
  6. Step 6: Final answer
    x = 32,294.22

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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.