Home / 37,308.59-51,484.16-20,312.40

Finding the Fourth Proportional to 37,308.59, 51,484.16 and 20,312.40

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Solution

The fourth proportional to 37,308.59, 51,484.16 and 20,312.40 is: 28,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,308.59 : 51,484.16 = 20,312.40 : x
  2. Step 2: Convert to fraction form
    37,308.59/51,484.16 = 20,312.40/x
  3. Step 3: Cross multiply
    37,308.59x = 51,484.16 × 20,312.40
  4. Step 4: Simplify right side
    37,308.59x = 1,045,766,750.02
  5. Step 5: Solve for x
    x = 1,045,766,750.02/37,308.59
  6. Step 6: Final answer
    x = 28,030.19

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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.