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Finding the Fourth Proportional to 56,422.72, 77,860.46 and 32,547.97

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Solution

The fourth proportional to 56,422.72, 77,860.46 and 32,547.97 is: 44,914.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,422.72 : 77,860.46 = 32,547.97 : x
  2. Step 2: Convert to fraction form
    56,422.72/77,860.46 = 32,547.97/x
  3. Step 3: Cross multiply
    56,422.72x = 77,860.46 × 32,547.97
  4. Step 4: Simplify right side
    56,422.72x = 2,534,199,364.22
  5. Step 5: Solve for x
    x = 2,534,199,364.22/56,422.72
  6. Step 6: Final answer
    x = 44,914.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.