Home / 31,802.60-43,869.12-26,790.32

Finding the Fourth Proportional to 31,802.60, 43,869.12 and 26,790.32

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Solution

The fourth proportional to 31,802.60, 43,869.12 and 26,790.32 is: 36,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.60 : 43,869.12 = 26,790.32 : x
  2. Step 2: Convert to fraction form
    31,802.60/43,869.12 = 26,790.32/x
  3. Step 3: Cross multiply
    31,802.60x = 43,869.12 × 26,790.32
  4. Step 4: Simplify right side
    31,802.60x = 1,175,267,762.92
  5. Step 5: Solve for x
    x = 1,175,267,762.92/31,802.60
  6. Step 6: Final answer
    x = 36,955.08

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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.