Home / 37,070.40-51,157.14-20,303.40

Finding the Fourth Proportional to 37,070.40, 51,157.14 and 20,303.40

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Solution

The fourth proportional to 37,070.40, 51,157.14 and 20,303.40 is: 28,018.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.40 : 51,157.14 = 20,303.40 : x
  2. Step 2: Convert to fraction form
    37,070.40/51,157.14 = 20,303.40/x
  3. Step 3: Cross multiply
    37,070.40x = 51,157.14 × 20,303.40
  4. Step 4: Simplify right side
    37,070.40x = 1,038,663,876.28
  5. Step 5: Solve for x
    x = 1,038,663,876.28/37,070.40
  6. Step 6: Final answer
    x = 28,018.69

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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.