Home / 56,671.34-84,988.62-18,712.07

Finding the Fourth Proportional to 56,671.34, 84,988.62 and 18,712.07

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Solution

The fourth proportional to 56,671.34, 84,988.62 and 18,712.07 is: 28,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.34 : 84,988.62 = 18,712.07 : x
  2. Step 2: Convert to fraction form
    56,671.34/84,988.62 = 18,712.07/x
  3. Step 3: Cross multiply
    56,671.34x = 84,988.62 × 18,712.07
  4. Step 4: Simplify right side
    56,671.34x = 1,590,312,581.70
  5. Step 5: Solve for x
    x = 1,590,312,581.70/56,671.34
  6. Step 6: Final answer
    x = 28,062.03

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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.