Home / 42,315.26-63,470.37-18,935.42

Finding the Fourth Proportional to 42,315.26, 63,470.37 and 18,935.42

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Solution

The fourth proportional to 42,315.26, 63,470.37 and 18,935.42 is: 28,402.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315.26 : 63,470.37 = 18,935.42 : x
  2. Step 2: Convert to fraction form
    42,315.26/63,470.37 = 18,935.42/x
  3. Step 3: Cross multiply
    42,315.26x = 63,470.37 × 18,935.42
  4. Step 4: Simplify right side
    42,315.26x = 1,201,838,113.51
  5. Step 5: Solve for x
    x = 1,201,838,113.51/42,315.26
  6. Step 6: Final answer
    x = 28,402.00

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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.