Home / 37,070.50-51,157.29-20,303.86

Finding the Fourth Proportional to 37,070.50, 51,157.29 and 20,303.86

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Solution

The fourth proportional to 37,070.50, 51,157.29 and 20,303.86 is: 28,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.50 : 51,157.29 = 20,303.86 : x
  2. Step 2: Convert to fraction form
    37,070.50/51,157.29 = 20,303.86/x
  3. Step 3: Cross multiply
    37,070.50x = 51,157.29 × 20,303.86
  4. Step 4: Simplify right side
    37,070.50x = 1,038,690,454.14
  5. Step 5: Solve for x
    x = 1,038,690,454.14/37,070.50
  6. Step 6: Final answer
    x = 28,019.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.