Home / 34,631.87-47,788.53-21,206.93

Finding the Fourth Proportional to 34,631.87, 47,788.53 and 21,206.93

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Solution

The fourth proportional to 34,631.87, 47,788.53 and 21,206.93 is: 29,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,631.87 : 47,788.53 = 21,206.93 : x
  2. Step 2: Convert to fraction form
    34,631.87/47,788.53 = 21,206.93/x
  3. Step 3: Cross multiply
    34,631.87x = 47,788.53 × 21,206.93
  4. Step 4: Simplify right side
    34,631.87x = 1,013,448,010.51
  5. Step 5: Solve for x
    x = 1,013,448,010.51/34,631.87
  6. Step 6: Final answer
    x = 29,263.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.