Home / 39,313.60-58,970.40-31,537.60

Finding the Fourth Proportional to 39,313.60, 58,970.40 and 31,537.60

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Solution

The fourth proportional to 39,313.60, 58,970.40 and 31,537.60 is: 47,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,313.60 : 58,970.40 = 31,537.60 : x
  2. Step 2: Convert to fraction form
    39,313.60/58,970.40 = 31,537.60/x
  3. Step 3: Cross multiply
    39,313.60x = 58,970.40 × 31,537.60
  4. Step 4: Simplify right side
    39,313.60x = 1,859,784,887.04
  5. Step 5: Solve for x
    x = 1,859,784,887.04/39,313.60
  6. Step 6: Final answer
    x = 47,306.40

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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.