Home / 51,022.40-70,410.52-28,666.40

Finding the Fourth Proportional to 51,022.40, 70,410.52 and 28,666.40

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Solution

The fourth proportional to 51,022.40, 70,410.52 and 28,666.40 is: 39,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.40 : 70,410.52 = 28,666.40 : x
  2. Step 2: Convert to fraction form
    51,022.40/70,410.52 = 28,666.40/x
  3. Step 3: Cross multiply
    51,022.40x = 70,410.52 × 28,666.40
  4. Step 4: Simplify right side
    51,022.40x = 2,018,416,130.53
  5. Step 5: Solve for x
    x = 2,018,416,130.53/51,022.40
  6. Step 6: Final answer
    x = 39,559.41

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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.