Home / 31,547.34-47,314.33-11,827.35

Finding the Fourth Proportional to 31,547.34, 47,314.33 and 11,827.35

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Solution

The fourth proportional to 31,547.34, 47,314.33 and 11,827.35 is: 17,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.34 : 47,314.33 = 11,827.35 : x
  2. Step 2: Convert to fraction form
    31,547.34/47,314.33 = 11,827.35/x
  3. Step 3: Cross multiply
    31,547.34x = 47,314.33 × 11,827.35
  4. Step 4: Simplify right side
    31,547.34x = 559,603,111.36
  5. Step 5: Solve for x
    x = 559,603,111.36/31,547.34
  6. Step 6: Final answer
    x = 17,738.52

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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.