Home / 42,038.70-58,011.64-22,918.06

Finding the Fourth Proportional to 42,038.70, 58,011.64 and 22,918.06

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Solution

The fourth proportional to 42,038.70, 58,011.64 and 22,918.06 is: 31,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.70 : 58,011.64 = 22,918.06 : x
  2. Step 2: Convert to fraction form
    42,038.70/58,011.64 = 22,918.06/x
  3. Step 3: Cross multiply
    42,038.70x = 58,011.64 × 22,918.06
  4. Step 4: Simplify right side
    42,038.70x = 1,329,514,246.22
  5. Step 5: Solve for x
    x = 1,329,514,246.22/42,038.70
  6. Step 6: Final answer
    x = 31,625.96

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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.