Home / 31,547.04-47,318.40-10,770.08

Finding the Fourth Proportional to 31,547.04, 47,318.40 and 10,770.08

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Solution

The fourth proportional to 31,547.04, 47,318.40 and 10,770.08 is: 16,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.04 : 47,318.40 = 10,770.08 : x
  2. Step 2: Convert to fraction form
    31,547.04/47,318.40 = 10,770.08/x
  3. Step 3: Cross multiply
    31,547.04x = 47,318.40 × 10,770.08
  4. Step 4: Simplify right side
    31,547.04x = 509,622,953.47
  5. Step 5: Solve for x
    x = 509,622,953.47/31,547.04
  6. Step 6: Final answer
    x = 16,154.38

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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.