Home / 39,307.15-58,969.95-13,011.89

Finding the Fourth Proportional to 39,307.15, 58,969.95 and 13,011.89

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Solution

The fourth proportional to 39,307.15, 58,969.95 and 13,011.89 is: 19,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,307.15 : 58,969.95 = 13,011.89 : x
  2. Step 2: Convert to fraction form
    39,307.15/58,969.95 = 13,011.89/x
  3. Step 3: Cross multiply
    39,307.15x = 58,969.95 × 13,011.89
  4. Step 4: Simplify right side
    39,307.15x = 767,310,527.36
  5. Step 5: Solve for x
    x = 767,310,527.36/39,307.15
  6. Step 6: Final answer
    x = 19,520.89

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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.