Home / 56,587.48-85,219.74-51,543.02

Finding the Fourth Proportional to 56,587.48, 85,219.74 and 51,543.02

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Solution

The fourth proportional to 56,587.48, 85,219.74 and 51,543.02 is: 77,622.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.48 : 85,219.74 = 51,543.02 : x
  2. Step 2: Convert to fraction form
    56,587.48/85,219.74 = 51,543.02/x
  3. Step 3: Cross multiply
    56,587.48x = 85,219.74 × 51,543.02
  4. Step 4: Simplify right side
    56,587.48x = 4,392,482,976.26
  5. Step 5: Solve for x
    x = 4,392,482,976.26/56,587.48
  6. Step 6: Final answer
    x = 77,622.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.