Home / 40,785.36-56,283.08-22,880.40

Finding the Fourth Proportional to 40,785.36, 56,283.08 and 22,880.40

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Solution

The fourth proportional to 40,785.36, 56,283.08 and 22,880.40 is: 31,574.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.36 : 56,283.08 = 22,880.40 : x
  2. Step 2: Convert to fraction form
    40,785.36/56,283.08 = 22,880.40/x
  3. Step 3: Cross multiply
    40,785.36x = 56,283.08 × 22,880.40
  4. Step 4: Simplify right side
    40,785.36x = 1,287,779,383.63
  5. Step 5: Solve for x
    x = 1,287,779,383.63/40,785.36
  6. Step 6: Final answer
    x = 31,574.55

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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.