Home / 30,575.14-42,182.98-19,245.47

Finding the Fourth Proportional to 30,575.14, 42,182.98 and 19,245.47

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Solution

The fourth proportional to 30,575.14, 42,182.98 and 19,245.47 is: 26,552.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.14 : 42,182.98 = 19,245.47 : x
  2. Step 2: Convert to fraction form
    30,575.14/42,182.98 = 19,245.47/x
  3. Step 3: Cross multiply
    30,575.14x = 42,182.98 × 19,245.47
  4. Step 4: Simplify right side
    30,575.14x = 811,831,017.07
  5. Step 5: Solve for x
    x = 811,831,017.07/30,575.14
  6. Step 6: Final answer
    x = 26,552.00

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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.