Home / 30,688.04-42,349.14-17,259.24

Finding the Fourth Proportional to 30,688.04, 42,349.14 and 17,259.24

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Solution

The fourth proportional to 30,688.04, 42,349.14 and 17,259.24 is: 23,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.04 : 42,349.14 = 17,259.24 : x
  2. Step 2: Convert to fraction form
    30,688.04/42,349.14 = 17,259.24/x
  3. Step 3: Cross multiply
    30,688.04x = 42,349.14 × 17,259.24
  4. Step 4: Simplify right side
    30,688.04x = 730,913,971.05
  5. Step 5: Solve for x
    x = 730,913,971.05/30,688.04
  6. Step 6: Final answer
    x = 23,817.55

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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.