Home / 63,126.30-87,114.25-40,465.28

Finding the Fourth Proportional to 63,126.30, 87,114.25 and 40,465.28

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Solution

The fourth proportional to 63,126.30, 87,114.25 and 40,465.28 is: 55,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.30 : 87,114.25 = 40,465.28 : x
  2. Step 2: Convert to fraction form
    63,126.30/87,114.25 = 40,465.28/x
  3. Step 3: Cross multiply
    63,126.30x = 87,114.25 × 40,465.28
  4. Step 4: Simplify right side
    63,126.30x = 3,525,101,880.34
  5. Step 5: Solve for x
    x = 3,525,101,880.34/63,126.30
  6. Step 6: Final answer
    x = 55,842.05

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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.