Home / 56,925.72-85,448.70-31,987.08

Finding the Fourth Proportional to 56,925.72, 85,448.70 and 31,987.08

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Solution

The fourth proportional to 56,925.72, 85,448.70 and 31,987.08 is: 48,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,925.72 : 85,448.70 = 31,987.08 : x
  2. Step 2: Convert to fraction form
    56,925.72/85,448.70 = 31,987.08/x
  3. Step 3: Cross multiply
    56,925.72x = 85,448.70 × 31,987.08
  4. Step 4: Simplify right side
    56,925.72x = 2,733,254,402.80
  5. Step 5: Solve for x
    x = 2,733,254,402.80/56,925.72
  6. Step 6: Final answer
    x = 48,014.40

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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.