Home / 35,477.21-53,155.59-21,407.67

Finding the Fourth Proportional to 35,477.21, 53,155.59 and 21,407.67

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Solution

The fourth proportional to 35,477.21, 53,155.59 and 21,407.67 is: 32,075.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.21 : 53,155.59 = 21,407.67 : x
  2. Step 2: Convert to fraction form
    35,477.21/53,155.59 = 21,407.67/x
  3. Step 3: Cross multiply
    35,477.21x = 53,155.59 × 21,407.67
  4. Step 4: Simplify right side
    35,477.21x = 1,137,936,956.56
  5. Step 5: Solve for x
    x = 1,137,936,956.56/35,477.21
  6. Step 6: Final answer
    x = 32,075.16

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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.