Home / 51,050.18-70,455.53-30,914.07

Finding the Fourth Proportional to 51,050.18, 70,455.53 and 30,914.07

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Solution

The fourth proportional to 51,050.18, 70,455.53 and 30,914.07 is: 42,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,050.18 : 70,455.53 = 30,914.07 : x
  2. Step 2: Convert to fraction form
    51,050.18/70,455.53 = 30,914.07/x
  3. Step 3: Cross multiply
    51,050.18x = 70,455.53 × 30,914.07
  4. Step 4: Simplify right side
    51,050.18x = 2,178,066,999.38
  5. Step 5: Solve for x
    x = 2,178,066,999.38/51,050.18
  6. Step 6: Final answer
    x = 42,665.21

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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.