Home / 35,518.08-53,160-31,630.08

Finding the Fourth Proportional to 35,518.08, 53,160 and 31,630.08

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Solution

The fourth proportional to 35,518.08, 53,160 and 31,630.08 is: 47,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,518.08 : 53,160 = 31,630.08 : x
  2. Step 2: Convert to fraction form
    35,518.08/53,160 = 31,630.08/x
  3. Step 3: Cross multiply
    35,518.08x = 53,160 × 31,630.08
  4. Step 4: Simplify right side
    35,518.08x = 1,681,455,052.80
  5. Step 5: Solve for x
    x = 1,681,455,052.80/35,518.08
  6. Step 6: Final answer
    x = 47,340.82

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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.