Home / 30,772.68-46,160.86-9,713.40

Finding the Fourth Proportional to 30,772.68, 46,160.86 and 9,713.40

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Solution

The fourth proportional to 30,772.68, 46,160.86 and 9,713.40 is: 14,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.68 : 46,160.86 = 9,713.40 : x
  2. Step 2: Convert to fraction form
    30,772.68/46,160.86 = 9,713.40/x
  3. Step 3: Cross multiply
    30,772.68x = 46,160.86 × 9,713.40
  4. Step 4: Simplify right side
    30,772.68x = 448,378,897.52
  5. Step 5: Solve for x
    x = 448,378,897.52/30,772.68
  6. Step 6: Final answer
    x = 14,570.68

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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.