Home / 37,263.10-51,430.38-21,358.20

Finding the Fourth Proportional to 37,263.10, 51,430.38 and 21,358.20

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Solution

The fourth proportional to 37,263.10, 51,430.38 and 21,358.20 is: 29,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,263.10 : 51,430.38 = 21,358.20 : x
  2. Step 2: Convert to fraction form
    37,263.10/51,430.38 = 21,358.20/x
  3. Step 3: Cross multiply
    37,263.10x = 51,430.38 × 21,358.20
  4. Step 4: Simplify right side
    37,263.10x = 1,098,460,342.12
  5. Step 5: Solve for x
    x = 1,098,460,342.12/37,263.10
  6. Step 6: Final answer
    x = 29,478.50

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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.