Home / 42,376.96-58,490.95-28,953.64

Finding the Fourth Proportional to 42,376.96, 58,490.95 and 28,953.64

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Solution

The fourth proportional to 42,376.96, 58,490.95 and 28,953.64 is: 39,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,376.96 : 58,490.95 = 28,953.64 : x
  2. Step 2: Convert to fraction form
    42,376.96/58,490.95 = 28,953.64/x
  3. Step 3: Cross multiply
    42,376.96x = 58,490.95 × 28,953.64
  4. Step 4: Simplify right side
    42,376.96x = 1,693,525,617.10
  5. Step 5: Solve for x
    x = 1,693,525,617.10/42,376.96
  6. Step 6: Final answer
    x = 39,963.36

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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.