Home / 56,782.10-85,205.55-21,746.90

Finding the Fourth Proportional to 56,782.10, 85,205.55 and 21,746.90

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Solution

The fourth proportional to 56,782.10, 85,205.55 and 21,746.90 is: 32,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,782.10 : 85,205.55 = 21,746.90 : x
  2. Step 2: Convert to fraction form
    56,782.10/85,205.55 = 21,746.90/x
  3. Step 3: Cross multiply
    56,782.10x = 85,205.55 × 21,746.90
  4. Step 4: Simplify right side
    56,782.10x = 1,852,956,575.30
  5. Step 5: Solve for x
    x = 1,852,956,575.30/56,782.10
  6. Step 6: Final answer
    x = 32,632.76

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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.