Home / 56,541.60-84,844.80-21,506.40

Finding the Fourth Proportional to 56,541.60, 84,844.80 and 21,506.40

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Solution

The fourth proportional to 56,541.60, 84,844.80 and 21,506.40 is: 32,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,541.60 : 84,844.80 = 21,506.40 : x
  2. Step 2: Convert to fraction form
    56,541.60/84,844.80 = 21,506.40/x
  3. Step 3: Cross multiply
    56,541.60x = 84,844.80 × 21,506.40
  4. Step 4: Simplify right side
    56,541.60x = 1,824,706,206.72
  5. Step 5: Solve for x
    x = 1,824,706,206.72/56,541.60
  6. Step 6: Final answer
    x = 32,271.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.