Home / 39,430.71-59,145.75-9,848.34

Finding the Fourth Proportional to 39,430.71, 59,145.75 and 9,848.34

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Solution

The fourth proportional to 39,430.71, 59,145.75 and 9,848.34 is: 14,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.71 : 59,145.75 = 9,848.34 : x
  2. Step 2: Convert to fraction form
    39,430.71/59,145.75 = 9,848.34/x
  3. Step 3: Cross multiply
    39,430.71x = 59,145.75 × 9,848.34
  4. Step 4: Simplify right side
    39,430.71x = 582,487,455.56
  5. Step 5: Solve for x
    x = 582,487,455.56/39,430.71
  6. Step 6: Final answer
    x = 14,772.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.