Home / 34,430.20-47,509.77-19,319.71

Finding the Fourth Proportional to 34,430.20, 47,509.77 and 19,319.71

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Solution

The fourth proportional to 34,430.20, 47,509.77 and 19,319.71 is: 26,659.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,430.20 : 47,509.77 = 19,319.71 : x
  2. Step 2: Convert to fraction form
    34,430.20/47,509.77 = 19,319.71/x
  3. Step 3: Cross multiply
    34,430.20x = 47,509.77 × 19,319.71
  4. Step 4: Simplify right side
    34,430.20x = 917,874,978.57
  5. Step 5: Solve for x
    x = 917,874,978.57/34,430.20
  6. Step 6: Final answer
    x = 26,659.01

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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.