Home / 30,541.32-45,825.75-19,445.13

Finding the Fourth Proportional to 30,541.32, 45,825.75 and 19,445.13

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Solution

The fourth proportional to 30,541.32, 45,825.75 and 19,445.13 is: 29,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,541.32 : 45,825.75 = 19,445.13 : x
  2. Step 2: Convert to fraction form
    30,541.32/45,825.75 = 19,445.13/x
  3. Step 3: Cross multiply
    30,541.32x = 45,825.75 × 19,445.13
  4. Step 4: Simplify right side
    30,541.32x = 891,087,666.10
  5. Step 5: Solve for x
    x = 891,087,666.10/30,541.32
  6. Step 6: Final answer
    x = 29,176.46

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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.