Home / 34,078.16-47,018.40-21,973.52

Finding the Fourth Proportional to 34,078.16, 47,018.40 and 21,973.52

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Solution

The fourth proportional to 34,078.16, 47,018.40 and 21,973.52 is: 30,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.16 : 47,018.40 = 21,973.52 : x
  2. Step 2: Convert to fraction form
    34,078.16/47,018.40 = 21,973.52/x
  3. Step 3: Cross multiply
    34,078.16x = 47,018.40 × 21,973.52
  4. Step 4: Simplify right side
    34,078.16x = 1,033,159,752.77
  5. Step 5: Solve for x
    x = 1,033,159,752.77/34,078.16
  6. Step 6: Final answer
    x = 30,317.36

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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.