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Finding the Fourth Proportional to 46,440, 64,086.57 and 25,220.07

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Solution

The fourth proportional to 46,440, 64,086.57 and 25,220.07 is: 34,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,440 : 64,086.57 = 25,220.07 : x
  2. Step 2: Convert to fraction form
    46,440/64,086.57 = 25,220.07/x
  3. Step 3: Cross multiply
    46,440x = 64,086.57 × 25,220.07
  4. Step 4: Simplify right side
    46,440x = 1,616,267,781.46
  5. Step 5: Solve for x
    x = 1,616,267,781.46/46,440
  6. Step 6: Final answer
    x = 34,803.35

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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.