Home / 51,075.32-70,478.88-31,951.40

Finding the Fourth Proportional to 51,075.32, 70,478.88 and 31,951.40

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Solution

The fourth proportional to 51,075.32, 70,478.88 and 31,951.40 is: 44,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,075.32 : 70,478.88 = 31,951.40 : x
  2. Step 2: Convert to fraction form
    51,075.32/70,478.88 = 31,951.40/x
  3. Step 3: Cross multiply
    51,075.32x = 70,478.88 × 31,951.40
  4. Step 4: Simplify right side
    51,075.32x = 2,251,898,886.43
  5. Step 5: Solve for x
    x = 2,251,898,886.43/51,075.32
  6. Step 6: Final answer
    x = 44,089.77

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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.