Home / 39,705.64-59,559.74-19,973.40

Finding the Fourth Proportional to 39,705.64, 59,559.74 and 19,973.40

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Solution

The fourth proportional to 39,705.64, 59,559.74 and 19,973.40 is: 29,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.64 : 59,559.74 = 19,973.40 : x
  2. Step 2: Convert to fraction form
    39,705.64/59,559.74 = 19,973.40/x
  3. Step 3: Cross multiply
    39,705.64x = 59,559.74 × 19,973.40
  4. Step 4: Simplify right side
    39,705.64x = 1,189,610,510.92
  5. Step 5: Solve for x
    x = 1,189,610,510.92/39,705.64
  6. Step 6: Final answer
    x = 29,960.74

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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.