Home / 42,022.02-63,040.52-13,943.76

Finding the Fourth Proportional to 42,022.02, 63,040.52 and 13,943.76

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Solution

The fourth proportional to 42,022.02, 63,040.52 and 13,943.76 is: 20,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,022.02 : 63,040.52 = 13,943.76 : x
  2. Step 2: Convert to fraction form
    42,022.02/63,040.52 = 13,943.76/x
  3. Step 3: Cross multiply
    42,022.02x = 63,040.52 × 13,943.76
  4. Step 4: Simplify right side
    42,022.02x = 879,021,881.16
  5. Step 5: Solve for x
    x = 879,021,881.16/42,022.02
  6. Step 6: Final answer
    x = 20,918.13

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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.