Home / 39,379.77-59,075.60-14,077.40

Finding the Fourth Proportional to 39,379.77, 59,075.60 and 14,077.40

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Solution

The fourth proportional to 39,379.77, 59,075.60 and 14,077.40 is: 21,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.77 : 59,075.60 = 14,077.40 : x
  2. Step 2: Convert to fraction form
    39,379.77/59,075.60 = 14,077.40/x
  3. Step 3: Cross multiply
    39,379.77x = 59,075.60 × 14,077.40
  4. Step 4: Simplify right side
    39,379.77x = 831,630,485.68
  5. Step 5: Solve for x
    x = 831,630,485.68/39,379.77
  6. Step 6: Final answer
    x = 21,118.22

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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.