Home / 52,777.16-72,830.85-28,903.22

Finding the Fourth Proportional to 52,777.16, 72,830.85 and 28,903.22

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Solution

The fourth proportional to 52,777.16, 72,830.85 and 28,903.22 is: 39,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.16 : 72,830.85 = 28,903.22 : x
  2. Step 2: Convert to fraction form
    52,777.16/72,830.85 = 28,903.22/x
  3. Step 3: Cross multiply
    52,777.16x = 72,830.85 × 28,903.22
  4. Step 4: Simplify right side
    52,777.16x = 2,105,046,080.34
  5. Step 5: Solve for x
    x = 2,105,046,080.34/52,777.16
  6. Step 6: Final answer
    x = 39,885.55

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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.