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Finding the Fourth Proportional to 46,941, 64,778.58 and 25,721.10

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Solution

The fourth proportional to 46,941, 64,778.58 and 25,721.10 is: 35,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,941 : 64,778.58 = 25,721.10 : x
  2. Step 2: Convert to fraction form
    46,941/64,778.58 = 25,721.10/x
  3. Step 3: Cross multiply
    46,941x = 64,778.58 × 25,721.10
  4. Step 4: Simplify right side
    46,941x = 1,666,176,334.04
  5. Step 5: Solve for x
    x = 1,666,176,334.04/46,941
  6. Step 6: Final answer
    x = 35,495.12

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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.