Home / 57,900.02-86,822.28-28,283.18

Finding the Fourth Proportional to 57,900.02, 86,822.28 and 28,283.18

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Solution

The fourth proportional to 57,900.02, 86,822.28 and 28,283.18 is: 42,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,900.02 : 86,822.28 = 28,283.18 : x
  2. Step 2: Convert to fraction form
    57,900.02/86,822.28 = 28,283.18/x
  3. Step 3: Cross multiply
    57,900.02x = 86,822.28 × 28,283.18
  4. Step 4: Simplify right side
    57,900.02x = 2,455,609,739.14
  5. Step 5: Solve for x
    x = 2,455,609,739.14/57,900.02
  6. Step 6: Final answer
    x = 42,411.21

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1.5x scale

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.