Home / 40,743.02-56,166.50-28,606.55

Finding the Fourth Proportional to 40,743.02, 56,166.50 and 28,606.55

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Solution

The fourth proportional to 40,743.02, 56,166.50 and 28,606.55 is: 39,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.02 : 56,166.50 = 28,606.55 : x
  2. Step 2: Convert to fraction form
    40,743.02/56,166.50 = 28,606.55/x
  3. Step 3: Cross multiply
    40,743.02x = 56,166.50 × 28,606.55
  4. Step 4: Simplify right side
    40,743.02x = 1,606,729,366.71
  5. Step 5: Solve for x
    x = 1,606,729,366.71/40,743.02
  6. Step 6: Final answer
    x = 39,435.70

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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.