Home / 39,278.79-58,938.68-37,161.50

Finding the Fourth Proportional to 39,278.79, 58,938.68 and 37,161.50

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Solution

The fourth proportional to 39,278.79, 58,938.68 and 37,161.50 is: 55,761.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.79 : 58,938.68 = 37,161.50 : x
  2. Step 2: Convert to fraction form
    39,278.79/58,938.68 = 37,161.50/x
  3. Step 3: Cross multiply
    39,278.79x = 58,938.68 × 37,161.50
  4. Step 4: Simplify right side
    39,278.79x = 2,190,249,555.03
  5. Step 5: Solve for x
    x = 2,190,249,555.03/39,278.79
  6. Step 6: Final answer
    x = 55,761.64

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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.