Home / 34,038.60-46,988.10-19,889.16

Finding the Fourth Proportional to 34,038.60, 46,988.10 and 19,889.16

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Solution

The fourth proportional to 34,038.60, 46,988.10 and 19,889.16 is: 27,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,038.60 : 46,988.10 = 19,889.16 : x
  2. Step 2: Convert to fraction form
    34,038.60/46,988.10 = 19,889.16/x
  3. Step 3: Cross multiply
    34,038.60x = 46,988.10 × 19,889.16
  4. Step 4: Simplify right side
    34,038.60x = 934,553,839.00
  5. Step 5: Solve for x
    x = 934,553,839.00/34,038.60
  6. Step 6: Final answer
    x = 27,455.71

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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.