Home / 46,987.20-70,736.40-40,559.04

Finding the Fourth Proportional to 46,987.20, 70,736.40 and 40,559.04

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Solution

The fourth proportional to 46,987.20, 70,736.40 and 40,559.04 is: 61,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,987.20 : 70,736.40 = 40,559.04 : x
  2. Step 2: Convert to fraction form
    46,987.20/70,736.40 = 40,559.04/x
  3. Step 3: Cross multiply
    46,987.20x = 70,736.40 × 40,559.04
  4. Step 4: Simplify right side
    46,987.20x = 2,869,000,477.06
  5. Step 5: Solve for x
    x = 2,869,000,477.06/46,987.20
  6. Step 6: Final answer
    x = 61,059.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.