Home / 30,501.36-42,097.32-22,142.16

Finding the Fourth Proportional to 30,501.36, 42,097.32 and 22,142.16

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Solution

The fourth proportional to 30,501.36, 42,097.32 and 22,142.16 is: 30,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501.36 : 42,097.32 = 22,142.16 : x
  2. Step 2: Convert to fraction form
    30,501.36/42,097.32 = 22,142.16/x
  3. Step 3: Cross multiply
    30,501.36x = 42,097.32 × 22,142.16
  4. Step 4: Simplify right side
    30,501.36x = 932,125,595.01
  5. Step 5: Solve for x
    x = 932,125,595.01/30,501.36
  6. Step 6: Final answer
    x = 30,560.13

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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.