Home / 51,152.64-70,574.40-28,792.32

Finding the Fourth Proportional to 51,152.64, 70,574.40 and 28,792.32

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Solution

The fourth proportional to 51,152.64, 70,574.40 and 28,792.32 is: 39,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,152.64 : 70,574.40 = 28,792.32 : x
  2. Step 2: Convert to fraction form
    51,152.64/70,574.40 = 28,792.32/x
  3. Step 3: Cross multiply
    51,152.64x = 70,574.40 × 28,792.32
  4. Step 4: Simplify right side
    51,152.64x = 2,032,000,708.61
  5. Step 5: Solve for x
    x = 2,032,000,708.61/51,152.64
  6. Step 6: Final answer
    x = 39,724.26

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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.