Home / 56,887.09-85,267.04-21,314.18

Finding the Fourth Proportional to 56,887.09, 85,267.04 and 21,314.18

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Solution

The fourth proportional to 56,887.09, 85,267.04 and 21,314.18 is: 31,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887.09 : 85,267.04 = 21,314.18 : x
  2. Step 2: Convert to fraction form
    56,887.09/85,267.04 = 21,314.18/x
  3. Step 3: Cross multiply
    56,887.09x = 85,267.04 × 21,314.18
  4. Step 4: Simplify right side
    56,887.09x = 1,817,397,038.63
  5. Step 5: Solve for x
    x = 1,817,397,038.63/56,887.09
  6. Step 6: Final answer
    x = 31,947.44

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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.