Home / 56,302.10-84,400.35-21,265.30

Finding the Fourth Proportional to 56,302.10, 84,400.35 and 21,265.30

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Solution

The fourth proportional to 56,302.10, 84,400.35 and 21,265.30 is: 31,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.10 : 84,400.35 = 21,265.30 : x
  2. Step 2: Convert to fraction form
    56,302.10/84,400.35 = 21,265.30/x
  3. Step 3: Cross multiply
    56,302.10x = 84,400.35 × 21,265.30
  4. Step 4: Simplify right side
    56,302.10x = 1,794,798,762.86
  5. Step 5: Solve for x
    x = 1,794,798,762.86/56,302.10
  6. Step 6: Final answer
    x = 31,878.01

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1.5x scale

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.