Home / 34,535.16-47,655.72-19,430.28

Finding the Fourth Proportional to 34,535.16, 47,655.72 and 19,430.28

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Solution

The fourth proportional to 34,535.16, 47,655.72 and 19,430.28 is: 26,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,535.16 : 47,655.72 = 19,430.28 : x
  2. Step 2: Convert to fraction form
    34,535.16/47,655.72 = 19,430.28/x
  3. Step 3: Cross multiply
    34,535.16x = 47,655.72 × 19,430.28
  4. Step 4: Simplify right side
    34,535.16x = 925,963,983.20
  5. Step 5: Solve for x
    x = 925,963,983.20/34,535.16
  6. Step 6: Final answer
    x = 26,812.21

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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.