Home / 43,140.02-64,725.60-15,064.21

Finding the Fourth Proportional to 43,140.02, 64,725.60 and 15,064.21

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Solution

The fourth proportional to 43,140.02, 64,725.60 and 15,064.21 is: 22,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,140.02 : 64,725.60 = 15,064.21 : x
  2. Step 2: Convert to fraction form
    43,140.02/64,725.60 = 15,064.21/x
  3. Step 3: Cross multiply
    43,140.02x = 64,725.60 × 15,064.21
  4. Step 4: Simplify right side
    43,140.02x = 975,040,030.78
  5. Step 5: Solve for x
    x = 975,040,030.78/43,140.02
  6. Step 6: Final answer
    x = 22,601.75

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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.