Home / 51,225.66-70,688.70-28,566.99

Finding the Fourth Proportional to 51,225.66, 70,688.70 and 28,566.99

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Solution

The fourth proportional to 51,225.66, 70,688.70 and 28,566.99 is: 39,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,225.66 : 70,688.70 = 28,566.99 : x
  2. Step 2: Convert to fraction form
    51,225.66/70,688.70 = 28,566.99/x
  3. Step 3: Cross multiply
    51,225.66x = 70,688.70 × 28,566.99
  4. Step 4: Simplify right side
    51,225.66x = 2,019,363,386.01
  5. Step 5: Solve for x
    x = 2,019,363,386.01/51,225.66
  6. Step 6: Final answer
    x = 39,420.93

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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.