Home / 42,888.25-64,261.32-30,346.12

Finding the Fourth Proportional to 42,888.25, 64,261.32 and 30,346.12

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Solution

The fourth proportional to 42,888.25, 64,261.32 and 30,346.12 is: 45,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,888.25 : 64,261.32 = 30,346.12 : x
  2. Step 2: Convert to fraction form
    42,888.25/64,261.32 = 30,346.12/x
  3. Step 3: Cross multiply
    42,888.25x = 64,261.32 × 30,346.12
  4. Step 4: Simplify right side
    42,888.25x = 1,950,081,728.08
  5. Step 5: Solve for x
    x = 1,950,081,728.08/42,888.25
  6. Step 6: Final answer
    x = 45,468.90

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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.