Home / 51,153.77-70,595.75-31,011.50

Finding the Fourth Proportional to 51,153.77, 70,595.75 and 31,011.50

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Solution

The fourth proportional to 51,153.77, 70,595.75 and 31,011.50 is: 42,798.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,153.77 : 70,595.75 = 31,011.50 : x
  2. Step 2: Convert to fraction form
    51,153.77/70,595.75 = 31,011.50/x
  3. Step 3: Cross multiply
    51,153.77x = 70,595.75 × 31,011.50
  4. Step 4: Simplify right side
    51,153.77x = 2,189,280,101.13
  5. Step 5: Solve for x
    x = 2,189,280,101.13/51,153.77
  6. Step 6: Final answer
    x = 42,798.02

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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.