Home / 56,467.76-84,703.40-20,937.92

Finding the Fourth Proportional to 56,467.76, 84,703.40 and 20,937.92

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Solution

The fourth proportional to 56,467.76, 84,703.40 and 20,937.92 is: 31,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,467.76 : 84,703.40 = 20,937.92 : x
  2. Step 2: Convert to fraction form
    56,467.76/84,703.40 = 20,937.92/x
  3. Step 3: Cross multiply
    56,467.76x = 84,703.40 × 20,937.92
  4. Step 4: Simplify right side
    56,467.76x = 1,773,513,012.93
  5. Step 5: Solve for x
    x = 1,773,513,012.93/56,467.76
  6. Step 6: Final answer
    x = 31,407.53

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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.