Home / 42,444.36-63,664.56-17,478.18

Finding the Fourth Proportional to 42,444.36, 63,664.56 and 17,478.18

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Solution

The fourth proportional to 42,444.36, 63,664.56 and 17,478.18 is: 26,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,444.36 : 63,664.56 = 17,478.18 : x
  2. Step 2: Convert to fraction form
    42,444.36/63,664.56 = 17,478.18/x
  3. Step 3: Cross multiply
    42,444.36x = 63,664.56 × 17,478.18
  4. Step 4: Simplify right side
    42,444.36x = 1,112,740,639.30
  5. Step 5: Solve for x
    x = 1,112,740,639.30/42,444.36
  6. Step 6: Final answer
    x = 26,216.45

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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.