Home / 35,281.02-52,921.80-8,985.78

Finding the Fourth Proportional to 35,281.02, 52,921.80 and 8,985.78

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Solution

The fourth proportional to 35,281.02, 52,921.80 and 8,985.78 is: 13,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.02 : 52,921.80 = 8,985.78 : x
  2. Step 2: Convert to fraction form
    35,281.02/52,921.80 = 8,985.78/x
  3. Step 3: Cross multiply
    35,281.02x = 52,921.80 × 8,985.78
  4. Step 4: Simplify right side
    35,281.02x = 475,543,652.00
  5. Step 5: Solve for x
    x = 475,543,652.00/35,281.02
  6. Step 6: Final answer
    x = 13,478.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.