Home / 30,473.10-42,071.04-19,152.18

Finding the Fourth Proportional to 30,473.10, 42,071.04 and 19,152.18

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Solution

The fourth proportional to 30,473.10, 42,071.04 and 19,152.18 is: 26,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.10 : 42,071.04 = 19,152.18 : x
  2. Step 2: Convert to fraction form
    30,473.10/42,071.04 = 19,152.18/x
  3. Step 3: Cross multiply
    30,473.10x = 42,071.04 × 19,152.18
  4. Step 4: Simplify right side
    30,473.10x = 805,752,130.87
  5. Step 5: Solve for x
    x = 805,752,130.87/30,473.10
  6. Step 6: Final answer
    x = 26,441.42

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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.