Home / 39,737.79-59,567.81-18,975.87

Finding the Fourth Proportional to 39,737.79, 59,567.81 and 18,975.87

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Solution

The fourth proportional to 39,737.79, 59,567.81 and 18,975.87 is: 28,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,737.79 : 59,567.81 = 18,975.87 : x
  2. Step 2: Convert to fraction form
    39,737.79/59,567.81 = 18,975.87/x
  3. Step 3: Cross multiply
    39,737.79x = 59,567.81 × 18,975.87
  4. Step 4: Simplify right side
    39,737.79x = 1,130,350,923.87
  5. Step 5: Solve for x
    x = 1,130,350,923.87/39,737.79
  6. Step 6: Final answer
    x = 28,445.24

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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.