Home / 47,547.16-65,603.94-28,433.20

Finding the Fourth Proportional to 47,547.16, 65,603.94 and 28,433.20

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Solution

The fourth proportional to 47,547.16, 65,603.94 and 28,433.20 is: 39,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,547.16 : 65,603.94 = 28,433.20 : x
  2. Step 2: Convert to fraction form
    47,547.16/65,603.94 = 28,433.20/x
  3. Step 3: Cross multiply
    47,547.16x = 65,603.94 × 28,433.20
  4. Step 4: Simplify right side
    47,547.16x = 1,865,329,946.81
  5. Step 5: Solve for x
    x = 1,865,329,946.81/47,547.16
  6. Step 6: Final answer
    x = 39,231.15

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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.