Home / 38,988.08-58,482.09-12,692.81

Finding the Fourth Proportional to 38,988.08, 58,482.09 and 12,692.81

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Solution

The fourth proportional to 38,988.08, 58,482.09 and 12,692.81 is: 19,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,988.08 : 58,482.09 = 12,692.81 : x
  2. Step 2: Convert to fraction form
    38,988.08/58,482.09 = 12,692.81/x
  3. Step 3: Cross multiply
    38,988.08x = 58,482.09 × 12,692.81
  4. Step 4: Simplify right side
    38,988.08x = 742,302,056.77
  5. Step 5: Solve for x
    x = 742,302,056.77/38,988.08
  6. Step 6: Final answer
    x = 19,039.21

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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.