Home / 51,197.02-70,649.40-28,538.50

Finding the Fourth Proportional to 51,197.02, 70,649.40 and 28,538.50

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Solution

The fourth proportional to 51,197.02, 70,649.40 and 28,538.50 is: 39,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.02 : 70,649.40 = 28,538.50 : x
  2. Step 2: Convert to fraction form
    51,197.02/70,649.40 = 28,538.50/x
  3. Step 3: Cross multiply
    51,197.02x = 70,649.40 × 28,538.50
  4. Step 4: Simplify right side
    51,197.02x = 2,016,227,901.90
  5. Step 5: Solve for x
    x = 2,016,227,901.90/51,197.02
  6. Step 6: Final answer
    x = 39,381.74

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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.