Home / 42,140.25-63,214.02-10,975.50

Finding the Fourth Proportional to 42,140.25, 63,214.02 and 10,975.50

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Solution

The fourth proportional to 42,140.25, 63,214.02 and 10,975.50 is: 16,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140.25 : 63,214.02 = 10,975.50 : x
  2. Step 2: Convert to fraction form
    42,140.25/63,214.02 = 10,975.50/x
  3. Step 3: Cross multiply
    42,140.25x = 63,214.02 × 10,975.50
  4. Step 4: Simplify right side
    42,140.25x = 693,805,476.51
  5. Step 5: Solve for x
    x = 693,805,476.51/42,140.25
  6. Step 6: Final answer
    x = 16,464.20

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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.