Home / 56,210.67-84,307.50-21,142.13

Finding the Fourth Proportional to 56,210.67, 84,307.50 and 21,142.13

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Solution

The fourth proportional to 56,210.67, 84,307.50 and 21,142.13 is: 31,709.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210.67 : 84,307.50 = 21,142.13 : x
  2. Step 2: Convert to fraction form
    56,210.67/84,307.50 = 21,142.13/x
  3. Step 3: Cross multiply
    56,210.67x = 84,307.50 × 21,142.13
  4. Step 4: Simplify right side
    56,210.67x = 1,782,439,703.44
  5. Step 5: Solve for x
    x = 1,782,439,703.44/56,210.67
  6. Step 6: Final answer
    x = 31,709.99

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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.