Home / 42,055.39-63,083.32-12,473.45

Finding the Fourth Proportional to 42,055.39, 63,083.32 and 12,473.45

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Solution

The fourth proportional to 42,055.39, 63,083.32 and 12,473.45 is: 18,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,055.39 : 63,083.32 = 12,473.45 : x
  2. Step 2: Convert to fraction form
    42,055.39/63,083.32 = 12,473.45/x
  3. Step 3: Cross multiply
    42,055.39x = 63,083.32 × 12,473.45
  4. Step 4: Simplify right side
    42,055.39x = 786,866,291.25
  5. Step 5: Solve for x
    x = 786,866,291.25/42,055.39
  6. Step 6: Final answer
    x = 18,710.24

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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.