Home / 34,316.55-47,386.38-21,590.94

Finding the Fourth Proportional to 34,316.55, 47,386.38 and 21,590.94

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Solution

The fourth proportional to 34,316.55, 47,386.38 and 21,590.94 is: 29,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,316.55 : 47,386.38 = 21,590.94 : x
  2. Step 2: Convert to fraction form
    34,316.55/47,386.38 = 21,590.94/x
  3. Step 3: Cross multiply
    34,316.55x = 47,386.38 × 21,590.94
  4. Step 4: Simplify right side
    34,316.55x = 1,023,116,487.40
  5. Step 5: Solve for x
    x = 1,023,116,487.40/34,316.55
  6. Step 6: Final answer
    x = 29,814.08

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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.