Home / 30,050.59-45,075.70-12,277.47

Finding the Fourth Proportional to 30,050.59, 45,075.70 and 12,277.47

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Solution

The fourth proportional to 30,050.59, 45,075.70 and 12,277.47 is: 18,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,050.59 : 45,075.70 = 12,277.47 : x
  2. Step 2: Convert to fraction form
    30,050.59/45,075.70 = 12,277.47/x
  3. Step 3: Cross multiply
    30,050.59x = 45,075.70 × 12,277.47
  4. Step 4: Simplify right side
    30,050.59x = 553,415,554.48
  5. Step 5: Solve for x
    x = 553,415,554.48/30,050.59
  6. Step 6: Final answer
    x = 18,416.13

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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.