Home / 34,430.63-47,502.36-19,321.20

Finding the Fourth Proportional to 34,430.63, 47,502.36 and 19,321.20

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Solution

The fourth proportional to 34,430.63, 47,502.36 and 19,321.20 is: 26,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,430.63 : 47,502.36 = 19,321.20 : x
  2. Step 2: Convert to fraction form
    34,430.63/47,502.36 = 19,321.20/x
  3. Step 3: Cross multiply
    34,430.63x = 47,502.36 × 19,321.20
  4. Step 4: Simplify right side
    34,430.63x = 917,802,598.03
  5. Step 5: Solve for x
    x = 917,802,598.03/34,430.63
  6. Step 6: Final answer
    x = 26,656.58

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Double scale
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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.