Home / 56,746.72-85,113.60-21,685.60

Finding the Fourth Proportional to 56,746.72, 85,113.60 and 21,685.60

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Solution

The fourth proportional to 56,746.72, 85,113.60 and 21,685.60 is: 32,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,746.72 : 85,113.60 = 21,685.60 : x
  2. Step 2: Convert to fraction form
    56,746.72/85,113.60 = 21,685.60/x
  3. Step 3: Cross multiply
    56,746.72x = 85,113.60 × 21,685.60
  4. Step 4: Simplify right side
    56,746.72x = 1,845,739,484.16
  5. Step 5: Solve for x
    x = 1,845,739,484.16/56,746.72
  6. Step 6: Final answer
    x = 32,525.92

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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.