Home / 30,859.68-42,586.17-17,435.28

Finding the Fourth Proportional to 30,859.68, 42,586.17 and 17,435.28

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Solution

The fourth proportional to 30,859.68, 42,586.17 and 17,435.28 is: 24,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,859.68 : 42,586.17 = 17,435.28 : x
  2. Step 2: Convert to fraction form
    30,859.68/42,586.17 = 17,435.28/x
  3. Step 3: Cross multiply
    30,859.68x = 42,586.17 × 17,435.28
  4. Step 4: Simplify right side
    30,859.68x = 742,501,798.08
  5. Step 5: Solve for x
    x = 742,501,798.08/30,859.68
  6. Step 6: Final answer
    x = 24,060.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.