Home / 30,838.60-42,557.42-17,410.40

Finding the Fourth Proportional to 30,838.60, 42,557.42 and 17,410.40

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Solution

The fourth proportional to 30,838.60, 42,557.42 and 17,410.40 is: 24,026.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.60 : 42,557.42 = 17,410.40 : x
  2. Step 2: Convert to fraction form
    30,838.60/42,557.42 = 17,410.40/x
  3. Step 3: Cross multiply
    30,838.60x = 42,557.42 × 17,410.40
  4. Step 4: Simplify right side
    30,838.60x = 740,941,705.17
  5. Step 5: Solve for x
    x = 740,941,705.17/30,838.60
  6. Step 6: Final answer
    x = 24,026.44

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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.