Home / 51,075.79-70,486.88-42,563.67

Finding the Fourth Proportional to 51,075.79, 70,486.88 and 42,563.67

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Solution

The fourth proportional to 51,075.79, 70,486.88 and 42,563.67 is: 58,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,075.79 : 70,486.88 = 42,563.67 : x
  2. Step 2: Convert to fraction form
    51,075.79/70,486.88 = 42,563.67/x
  3. Step 3: Cross multiply
    51,075.79x = 70,486.88 × 42,563.67
  4. Step 4: Simplify right side
    51,075.79x = 3,000,180,020.75
  5. Step 5: Solve for x
    x = 3,000,180,020.75/51,075.79
  6. Step 6: Final answer
    x = 58,739.77

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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.