Home / 51,646.32-71,266.05-28,980.63

Finding the Fourth Proportional to 51,646.32, 71,266.05 and 28,980.63

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Solution

The fourth proportional to 51,646.32, 71,266.05 and 28,980.63 is: 39,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.32 : 71,266.05 = 28,980.63 : x
  2. Step 2: Convert to fraction form
    51,646.32/71,266.05 = 28,980.63/x
  3. Step 3: Cross multiply
    51,646.32x = 71,266.05 × 28,980.63
  4. Step 4: Simplify right side
    51,646.32x = 2,065,335,026.61
  5. Step 5: Solve for x
    x = 2,065,335,026.61/51,646.32
  6. Step 6: Final answer
    x = 39,989.97

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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.