Home / 40,346.64-55,595.16-39,802.32

Finding the Fourth Proportional to 40,346.64, 55,595.16 and 39,802.32

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Solution

The fourth proportional to 40,346.64, 55,595.16 and 39,802.32 is: 54,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.64 : 55,595.16 = 39,802.32 : x
  2. Step 2: Convert to fraction form
    40,346.64/55,595.16 = 39,802.32/x
  3. Step 3: Cross multiply
    40,346.64x = 55,595.16 × 39,802.32
  4. Step 4: Simplify right side
    40,346.64x = 2,212,816,348.77
  5. Step 5: Solve for x
    x = 2,212,816,348.77/40,346.64
  6. Step 6: Final answer
    x = 54,845.12

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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.