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Finding the Fourth Proportional to 39,047.51, 58,570.74 and 9,465.62

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Solution

The fourth proportional to 39,047.51, 58,570.74 and 9,465.62 is: 14,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,047.51 : 58,570.74 = 9,465.62 : x
  2. Step 2: Convert to fraction form
    39,047.51/58,570.74 = 9,465.62/x
  3. Step 3: Cross multiply
    39,047.51x = 58,570.74 × 9,465.62
  4. Step 4: Simplify right side
    39,047.51x = 554,408,075.11
  5. Step 5: Solve for x
    x = 554,408,075.11/39,047.51
  6. Step 6: Final answer
    x = 14,198.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.