Home / 42,088.68-63,133.02-10,921.50

Finding the Fourth Proportional to 42,088.68, 63,133.02 and 10,921.50

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Solution

The fourth proportional to 42,088.68, 63,133.02 and 10,921.50 is: 16,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,088.68 : 63,133.02 = 10,921.50 : x
  2. Step 2: Convert to fraction form
    42,088.68/63,133.02 = 10,921.50/x
  3. Step 3: Cross multiply
    42,088.68x = 63,133.02 × 10,921.50
  4. Step 4: Simplify right side
    42,088.68x = 689,507,277.93
  5. Step 5: Solve for x
    x = 689,507,277.93/42,088.68
  6. Step 6: Final answer
    x = 16,382.25

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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.