Home / 47,075.18-64,963.28-27,964.31

Finding the Fourth Proportional to 47,075.18, 64,963.28 and 27,964.31

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Solution

The fourth proportional to 47,075.18, 64,963.28 and 27,964.31 is: 38,590.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,075.18 : 64,963.28 = 27,964.31 : x
  2. Step 2: Convert to fraction form
    47,075.18/64,963.28 = 27,964.31/x
  3. Step 3: Cross multiply
    47,075.18x = 64,963.28 × 27,964.31
  4. Step 4: Simplify right side
    47,075.18x = 1,816,653,045.63
  5. Step 5: Solve for x
    x = 1,816,653,045.63/47,075.18
  6. Step 6: Final answer
    x = 38,590.47

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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.