Home / 30,424.56-42,001.08-19,110.48

Finding the Fourth Proportional to 30,424.56, 42,001.08 and 19,110.48

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Solution

The fourth proportional to 30,424.56, 42,001.08 and 19,110.48 is: 26,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.56 : 42,001.08 = 19,110.48 : x
  2. Step 2: Convert to fraction form
    30,424.56/42,001.08 = 19,110.48/x
  3. Step 3: Cross multiply
    30,424.56x = 42,001.08 × 19,110.48
  4. Step 4: Simplify right side
    30,424.56x = 802,660,799.32
  5. Step 5: Solve for x
    x = 802,660,799.32/30,424.56
  6. Step 6: Final answer
    x = 26,382.00

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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.