Home / 51,352.16-70,858.93-28,688.32

Finding the Fourth Proportional to 51,352.16, 70,858.93 and 28,688.32

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Solution

The fourth proportional to 51,352.16, 70,858.93 and 28,688.32 is: 39,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.16 : 70,858.93 = 28,688.32 : x
  2. Step 2: Convert to fraction form
    51,352.16/70,858.93 = 28,688.32/x
  3. Step 3: Cross multiply
    51,352.16x = 70,858.93 × 28,688.32
  4. Step 4: Simplify right side
    51,352.16x = 2,032,823,160.96
  5. Step 5: Solve for x
    x = 2,032,823,160.96/51,352.16
  6. Step 6: Final answer
    x = 39,585.93

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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.