Home / 50,810.40-70,118.88-28,150.08

Finding the Fourth Proportional to 50,810.40, 70,118.88 and 28,150.08

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Solution

The fourth proportional to 50,810.40, 70,118.88 and 28,150.08 is: 38,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,810.40 : 70,118.88 = 28,150.08 : x
  2. Step 2: Convert to fraction form
    50,810.40/70,118.88 = 28,150.08/x
  3. Step 3: Cross multiply
    50,810.40x = 70,118.88 × 28,150.08
  4. Step 4: Simplify right side
    50,810.40x = 1,973,852,081.51
  5. Step 5: Solve for x
    x = 1,973,852,081.51/50,810.40
  6. Step 6: Final answer
    x = 38,847.40

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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.