Home / 42,054.08-63,078.08-10,888.32

Finding the Fourth Proportional to 42,054.08, 63,078.08 and 10,888.32

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Solution

The fourth proportional to 42,054.08, 63,078.08 and 10,888.32 is: 16,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,054.08 : 63,078.08 = 10,888.32 : x
  2. Step 2: Convert to fraction form
    42,054.08/63,078.08 = 10,888.32/x
  3. Step 3: Cross multiply
    42,054.08x = 63,078.08 × 10,888.32
  4. Step 4: Simplify right side
    42,054.08x = 686,814,320.03
  5. Step 5: Solve for x
    x = 686,814,320.03/42,054.08
  6. Step 6: Final answer
    x = 16,331.69

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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.